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typo3/sysext/adminpanel/Classes/ModuleApi/AbstractSubModule.php

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+<?php
+declare(strict_types = 1);
+
+namespace TYPO3\CMS\Adminpanel\ModuleApi;
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+use TYPO3\CMS\Core\Localization\LanguageService;
+
+/**
+ * Abstract SubModule - Base class for sub modules in the admin panel
+ *
+ * Extend this class when writing own sub modules
+ */
+abstract class AbstractSubModule implements ModuleInterface, ContentProviderInterface
+{
+    /**
+     * Returns LanguageService
+     *
+     * @return LanguageService
+     */
+    protected function getLanguageService(): LanguageService
+    {
+        return $GLOBALS['LANG'];
+    }
+}